Sync : start insertion in DB

matrix-sdk-android/objectbox-models/default.json

@@ -54,11 +54,93 @@
         }
       ],
       "relations": []
+    },
+    {
+      "id": "8:1761107158737061066",
+      "lastPropertyId": "3:787896491046945850",
+      "name": "RoomEntity",
+      "properties": [
+        {
+          "id": "1:7021996505563941556",
+          "name": "id"
+        },
+        {
+          "id": "2:1269026517652311997",
+          "name": "membership"
+        },
+        {
+          "id": "3:787896491046945850",
+          "name": "roomId"
+        }
+      ],
+      "relations": [
+        {
+          "id": "1:5345919940124619772",
+          "name": "chunks"
+        }
+      ]
+    },
+    {
+      "id": "9:6019404356061358330",
+      "lastPropertyId": "3:3869954049926012588",
+      "name": "ChunkEntity",
+      "properties": [
+        {
+          "id": "1:3461196015528391821",
+          "name": "id"
+        },
+        {
+          "id": "2:4852790652764050720",
+          "name": "prevToken"
+        },
+        {
+          "id": "3:3869954049926012588",
+          "name": "nextToken"
+        }
+      ],
+      "relations": [
+        {
+          "id": "2:5944867505344991328",
+          "name": "events"
+        }
+      ]
+    },
+    {
+      "id": "10:7579750767964019860",
+      "lastPropertyId": "6:6069780711726222192",
+      "name": "EventEntity",
+      "properties": [
+        {
+          "id": "1:3170318841756889053",
+          "name": "id"
+        },
+        {
+          "id": "2:6651269605038929561",
+          "name": "type"
+        },
+        {
+          "id": "3:470436998712759552",
+          "name": "content"
+        },
+        {
+          "id": "4:1820638541606769650",
+          "name": "eventId"
+        },
+        {
+          "id": "5:4423270757987421556",
+          "name": "prevContent"
+        },
+        {
+          "id": "6:6069780711726222192",
+          "name": "stateKey"
+        }
+      ],
+      "relations": []
     }
   ],
-  "lastEntityId": "7:6920598293865885979",
+  "lastEntityId": "10:7579750767964019860",
   "lastIndexId": "4:1616715309690181473",
-  "lastRelationId": "0:0",
+  "lastRelationId": "2:5944867505344991328",
   "lastSequenceId": "0:0",
   "modelVersion": 4,
   "modelVersionParserMinimum": 4,

matrix-sdk-android/objectbox-models/default.json.bak

@@ -3,27 +3,6 @@
   "_note2": "ObjectBox manages crucial IDs for your object model. See docs for details.",
   "_note3": "If you have VCS merge conflicts, you must resolve them according to ObjectBox docs.",
   "entities": [
-    {
-      "id": "4:1775102368193732759",
-      "lastPropertyId": "6:8817556524159529201",
-      "name": "SessionParams",
-      "properties": [
-        {
-          "id": "2:5690571528511905880",
-          "name": "homeServerConnectionConfig"
-        },
-        {
-          "id": "3:1811444397594387116",
-          "name": "id"
-        },
-        {
-          "id": "6:8817556524159529201",
-          "indexId": "4:1616715309690181473",
-          "name": "credentialsRelationId"
-        }
-      ],
-      "relations": []
-    },
     {
       "id": "6:5991986256653472999",
       "lastPropertyId": "6:5675340775405504775",
@@ -55,9 +34,29 @@
         }
       ],
       "relations": []
+    },
+    {
+      "id": "7:6920598293865885979",
+      "lastPropertyId": "3:5795529890406591571",
+      "name": "ObjectBoxSessionParams",
+      "properties": [
+        {
+          "id": "1:7073183456619398402",
+          "name": "credentialsJson"
+        },
+        {
+          "id": "2:8905537494398356078",
+          "name": "homeServerConnectionConfigJson"
+        },
+        {
+          "id": "3:5795529890406591571",
+          "name": "id"
+        }
+      ],
+      "relations": []
     }
   ],
-  "lastEntityId": "6:5991986256653472999",
+  "lastEntityId": "7:6920598293865885979",
   "lastIndexId": "4:1616715309690181473",
   "lastRelationId": "0:0",
   "lastSequenceId": "0:0",
@@ -67,12 +66,14 @@
     637433444018824383,
     5577202525246066978,
     213989653016909134,
-    826321009570992494
+    826321009570992494,
+    1775102368193732759
   ],
   "retiredIndexUids": [
     7573100044105293219,
     7664899561635023422,
-    762622607983996029
+    762622607983996029,
+    1616715309690181473
   ],
   "retiredPropertyUids": [
     6211403495341530846,
@@ -101,7 +102,10 @@
     8488502568193639300,
     594512591943458255,
     5113574037182501000,
-    4929796643260285955
+    4929796643260285955,
+    5690571528511905880,
+    1811444397594387116,
+    8817556524159529201
   ],
   "retiredRelationUids": [],
   "version": 1

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/mapper/EventMapper.kt

@@ -0,0 +1,25 @@
+package im.vector.matrix.android.internal.database.mapper
+
+import com.squareup.moshi.Types
+import im.vector.matrix.android.api.events.Event
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.di.MoshiProvider
+
+
+object EventMapper {
+
+    private val moshi = MoshiProvider.providesMoshi()
+    private val type = Types.newParameterizedType(Map::class.java, String::class.java, Any::class.java)
+    private val adapter = moshi.adapter<Map<String, Any>>(type)
+
+    fun map(event: Event): EventEntity {
+        val eventEntity = EventEntity()
+        eventEntity.eventId = event.eventId
+        eventEntity.content = adapter.toJson(event.content)
+        eventEntity.prevContent = adapter.toJson(event.prevContent)
+        eventEntity.stateKey = event.stateKey
+        eventEntity.type = event.type
+        return eventEntity
+    }
+
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/EventEntity.kt

@@ -6,9 +6,9 @@ import io.objectbox.annotation.Id
 @Entity
 class EventEntity {
     @Id var id: Long = 0
-    lateinit var eventId: String
     lateinit var type: String
     lateinit var content: String
+    var eventId: String? = null
     var prevContent: String? = null
     var stateKey: String? = null
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/RoomEntity.kt

@@ -1,12 +1,37 @@
 package im.vector.matrix.android.internal.database.model
 
+import io.objectbox.annotation.Convert
 import io.objectbox.annotation.Entity
 import io.objectbox.annotation.Id
+import io.objectbox.converter.PropertyConverter
 import io.objectbox.relation.ToMany
 
 @Entity
 class RoomEntity {
     @Id var id: Long = 0
+    @Convert(converter = MembershipConverter::class, dbType = String::class)
+    var membership: Membership = Membership.NONE
     lateinit var roomId: String
     lateinit var chunks: ToMany<ChunkEntity>
+
+    companion object;
+
+    enum class Membership {
+        JOINED,
+        LEFT,
+        INVITED,
+        NONE
+    }
+}
+
+class MembershipConverter : PropertyConverter<RoomEntity.Membership, String> {
+
+    override fun convertToDatabaseValue(entityProperty: RoomEntity.Membership?): String? {
+        return entityProperty?.name
+    }
+
+    override fun convertToEntityProperty(databaseValue: String?): RoomEntity.Membership? {
+        return databaseValue?.let { RoomEntity.Membership.valueOf(databaseValue) }
+    }
+
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/query/RoomEntityQueries.kt

@@ -0,0 +1,21 @@
+package im.vector.matrix.android.internal.database.query
+
+import im.vector.matrix.android.internal.database.model.RoomEntity
+import im.vector.matrix.android.internal.database.model.RoomEntity_
+import io.objectbox.Box
+
+fun RoomEntity.Companion.getForId(roomBox: Box<RoomEntity>, roomId: String): RoomEntity? {
+    return roomBox
+            .query()
+            .equal(RoomEntity_.roomId, roomId)
+            .build()
+            .findUnique()
+}
+
+fun RoomEntity.Companion.getAll(roomBox: Box<RoomEntity>, membership: RoomEntity.Membership? = null): List<RoomEntity> {
+    val query = roomBox.query()
+    if (membership != null) {
+        query.filter { it.membership == membership }
+    }
+    return query.build().find()
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/events/sync/RoomSyncHandler.kt

@@ -1,9 +1,61 @@
 package im.vector.matrix.android.internal.events.sync
 
-class RoomSyncHandler() {
+import im.vector.matrix.android.internal.database.mapper.EventMapper
+import im.vector.matrix.android.internal.database.model.ChunkEntity
+import im.vector.matrix.android.internal.database.model.EventEntity
+import im.vector.matrix.android.internal.database.model.RoomEntity
+import im.vector.matrix.android.internal.database.query.getForId
+import im.vector.matrix.android.internal.events.sync.data.RoomSync
+import io.objectbox.Box
+import io.objectbox.BoxStore
 
 
+class RoomSyncHandler(
+        boxStore: BoxStore
+) {
 
+    private val eventBox: Box<EventEntity> = boxStore.boxFor(EventEntity::class.java)
+    private val chunkBox: Box<ChunkEntity> = boxStore.boxFor(ChunkEntity::class.java)
+    private val roomBox: Box<RoomEntity> = boxStore.boxFor(RoomEntity::class.java)
 
+    fun handleJoinedRooms(roomSyncByRoom: Map<String, RoomSync>?) {
+        if (roomSyncByRoom == null) {
+            return
+        }
+        val roomEntities = ArrayList<RoomEntity>()
+        roomSyncByRoom.forEach { roomId, roomSync ->
+            val roomEntity = handleJoinedRoom(roomId, roomSync)
+            roomEntities.add(roomEntity)
+        }
+        roomBox.put(roomEntities)
+    }
+
+    private fun handleJoinedRoom(roomId: String, roomSync: RoomSync): RoomEntity {
+        val roomEntity = RoomEntity.getForId(roomBox, roomId) ?: RoomEntity().apply { this.roomId = roomId }
+        if (roomEntity.membership == RoomEntity.Membership.INVITED) {
+            roomEntity.chunks
+                    .map { it.events }
+                    .forEach { eventBox.remove(it) }
+            chunkBox.remove(roomEntity.chunks)
+        }
+        roomEntity.membership = RoomEntity.Membership.JOINED
+        if (roomSync.timeline != null) {
+            val chunkEntity = ChunkEntity()
+            chunkEntity.prevToken = roomSync.timeline.prevBatch
+            roomSync.timeline.events
+                    .map { event -> EventMapper.map(event) }
+                    .forEach { chunkEntity.events.add(it) }
+            roomEntity.chunks.add(chunkEntity)
+        }
+
+        if (roomSync.state != null) {
+            val chunkEntity = ChunkEntity()
+            roomSync.state.events
+                    .map { event -> EventMapper.map(event) }
+                    .forEach { chunkEntity.events.add(it) }
+            roomEntity.chunks.add(chunkEntity)
+        }
+        return roomEntity
+    }
 
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/events/sync/SyncModule.kt

@@ -16,7 +16,11 @@ class SyncModule : Module {
         }
 
         scope(DefaultSession.SCOPE) {
-            SyncResponseHandler(get())
+            RoomSyncHandler(get())
+        }
+
+        scope(DefaultSession.SCOPE) {
+            SyncResponseHandler(get(), get())
         }
 
         scope(DefaultSession.SCOPE) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/events/sync/SyncResponseHandler.kt

@@ -8,21 +8,14 @@ import im.vector.matrix.android.internal.legacy.data.Room
 import im.vector.matrix.android.internal.legacy.data.store.IMXStore
 import im.vector.matrix.android.internal.legacy.data.store.MXMemoryStore
 import im.vector.matrix.android.internal.legacy.rest.client.AccountDataRestClient
-import im.vector.matrix.android.internal.legacy.rest.model.RoomMember
 import im.vector.matrix.android.internal.legacy.rest.model.bingrules.PushRulesResponse
 import im.vector.matrix.android.internal.legacy.util.JsonUtils
 import timber.log.Timber
-import java.util.ArrayList
-import kotlin.collections.HashMap
-import kotlin.collections.List
-import kotlin.collections.Map
-import kotlin.collections.MutableList
-import kotlin.collections.MutableMap
-import kotlin.collections.emptyList
-import kotlin.collections.isNotEmpty
-import kotlin.collections.set
 
-class SyncResponseHandler(private val dataHandler: MXDataHandler) {
+class SyncResponseHandler(
+        private val roomSyncHandler: RoomSyncHandler,
+        private val dataHandler: MXDataHandler
+) {
 
     private val store = dataHandler.store
     private val leftRoomsStore = MXMemoryStore()
@@ -34,6 +27,13 @@ class SyncResponseHandler(private val dataHandler: MXDataHandler) {
             return
         }
         Timber.v("Handle sync response")
+
+        if (syncResponse.rooms != null) {
+            // joined rooms events
+            roomSyncHandler.handleJoinedRooms(syncResponse.rooms.join)
+        }
+
+        /*
         val isInitialSync = null == fromToken
         var isEmptyResponse = true
 
@@ -50,21 +50,8 @@ class SyncResponseHandler(private val dataHandler: MXDataHandler) {
             manageAccountData(syncResponse.accountData, isInitialSync)
         }
 
-        // sanity check
+
         if (syncResponse.rooms != null) {
-            // joined rooms events
-            if (syncResponse.rooms.join.isNotEmpty()) {
-                val roomIds = syncResponse.rooms.join.keys
-                // Handle first joined rooms
-                for (roomId in roomIds) {
-                    if (null != leftRoomsStore.getRoom(roomId)) {
-                        leftRoomsStore.deleteRoom(roomId)
-                    }
-                    // TODO handle joined room
-                    //getRoom(roomId).handleJoinedRoomSync(syncResponse.rooms.join[roomId], isInitialSync)
-                }
-                isEmptyResponse = false
-            }
 
             // invited room management
             if (syncResponse.rooms.invite.isNotEmpty()) {
@@ -117,131 +104,137 @@ class SyncResponseHandler(private val dataHandler: MXDataHandler) {
                             }
                         }
                     }
-
-                }
-
-                isEmptyResponse = false
-
-                if (hasChanged) {
-                    // Update account data to add new direct chat room(s)
-                    /* mAccountDataRestClient.setAccountData(mCredentials.userId, AccountDataRestClient.ACCOUNT_DATA_TYPE_DIRECT_MESSAGES,
-                             updatedDirectChatRoomsDict, object : ApiCallback<Void> {
-                         override fun onSuccess(info: Void) {
-                         }
-
-                         override fun onNetworkError(e: Exception) {
-                             // TODO: we should try again.
-                         }
-
-                         override fun onMatrixError(e: MatrixError) {
-                         }
-
-                         override fun onUnexpectedError(e: Exception) {
-                         }
-                     })*/
                 }
             }
 
-            // left room management
-            // it should be done at the end but it seems there is a server issue
-            // when inviting after leaving a room, the room is defined in the both leave & invite rooms list.
-            if (syncResponse.rooms.leave.isNotEmpty()) {
-                val roomIds = syncResponse.rooms.leave.keys
-                for (roomId in roomIds) {
-                    // RoomSync leftRoomSync = syncResponse.rooms.leave.get(roomId);
+            isEmptyResponse = false
 
-                    // Presently we remove the existing room from the rooms list.
-                    // FIXME SYNC V2 Archive/Display the left rooms!
-                    // For that create 'handleArchivedRoomSync' method
+            if (hasChanged) {
+                // Update account data to add new direct chat room(s)
+                /* mAccountDataRestClient.setAccountData(mCredentials.userId, AccountDataRestClient.ACCOUNT_DATA_TYPE_DIRECT_MESSAGES,
+                         updatedDirectChatRoomsDict, object : ApiCallback<Void> {
+                     override fun onSuccess(info: Void) {
+                     }
 
-                    var membership = RoomMember.MEMBERSHIP_LEAVE
-                    val room = getRoom(roomId)
+                     override fun onNetworkError(e: Exception) {
+                         // TODO: we should try again.
+                     }
 
-                    // Retrieve existing room
-                    // The room will then be able to notify its listeners.
-                    // TODO handle
-                    // room.handleJoinedRoomSync(syncResponse.rooms.leave[roomId], isInitialSync)
+                     override fun onMatrixError(e: MatrixError) {
+                     }
 
-                    val member = room.getMember(dataHandler.userId)
-                    if (null != member) {
-                        membership = member.membership
-                    }
-                    if (!TextUtils.equals(membership, RoomMember.MEMBERSHIP_KICK) && !TextUtils.equals(membership, RoomMember.MEMBERSHIP_BAN)) {
-                        // ensure that the room data are properly deleted
-                        store.deleteRoom(roomId)
-                        dataHandler.onLeaveRoom(roomId)
-                    } else {
-                        dataHandler.onRoomKick(roomId)
-                    }
-                    // don't add to the left rooms if the user has been kicked / banned
-                    if (areLeftRoomsSynced && TextUtils.equals(membership, RoomMember.MEMBERSHIP_LEAVE)) {
-                        val leftRoom = getRoom(leftRoomsStore, roomId, true)
-                        //Todo handle
-                        //leftRoom.handleJoinedRoomSync(syncResponse.rooms.leave[roomId], isInitialSync)
-                    }
-                }
-                isEmptyResponse = false
+                     override fun onUnexpectedError(e: Exception) {
+                     }
+                 })*/
             }
         }
 
-        // groups
-        if (null != syncResponse.groups) {
+        // left room management
+        // it should be done at the end but it seems there is a server issue
+        // when inviting after leaving a room, the room is defined in the both leave & invite rooms list.
+        if (syncResponse.rooms.leave.isNotEmpty()) {
+            val roomIds = syncResponse.rooms.leave.keys
+            for (roomId in roomIds) {
+                // RoomSync leftRoomSync = syncResponse.rooms.leave.get(roomId);
+
+                // Presently we remove the existing room from the rooms list.
+                // FIXME SYNC V2 Archive/Display the left rooms!
+                // For that create 'handleArchivedRoomSync' method
+
+                var membership = RoomMember.MEMBERSHIP_LEAVE
+                val room = getRoom(roomId)
+
+                // Retrieve existing room
+                // The room will then be able to notify its listeners.
+                // TODO handle
+                // room.handleJoinedRoomSync(syncResponse.rooms.leave[roomId], isInitialSync)
+
+                val member = room.getMember(dataHandler.userId)
+                if (null != member) {
+                    membership = member.membership
+                }
+                if (!TextUtils.equals(membership, RoomMember.MEMBERSHIP_KICK) && !TextUtils.equals(membership, RoomMember.MEMBERSHIP_BAN)) {
+                    // ensure that the room data are properly deleted
+                    store.deleteRoom(roomId)
+                    dataHandler.onLeaveRoom(roomId)
+                } else {
+                    dataHandler.onRoomKick(roomId)
+                }
+                // don't add to the left rooms if the user has been kicked / banned
+                if (areLeftRoomsSynced && TextUtils.equals(membership, RoomMember.MEMBERSHIP_LEAVE)) {
+                    val leftRoom = getRoom(leftRoomsStore, roomId, true)
+                    //Todo handle
+                    //leftRoom.handleJoinedRoomSync(syncResponse.rooms.leave[roomId], isInitialSync)
+                }
+            }
+            isEmptyResponse = false
+        }
+    }
+
+    // groups
+    if (null != syncResponse.groups)
+    {
+        // Handle invited groups
+        if (null != syncResponse.groups.invite && !syncResponse.groups.invite.isEmpty()) {
             // Handle invited groups
-            if (null != syncResponse.groups.invite && !syncResponse.groups.invite.isEmpty()) {
-                // Handle invited groups
-                for (groupId in syncResponse.groups.invite.keys) {
-                    val invitedGroupSync = syncResponse.groups.invite[groupId]
-                    dataHandler.groupsManager.onNewGroupInvitation(groupId, invitedGroupSync?.profile, invitedGroupSync?.inviter, !isInitialSync)
-                }
+            for (groupId in syncResponse.groups.invite.keys) {
+                val invitedGroupSync = syncResponse.groups.invite[groupId]
+                dataHandler.groupsManager.onNewGroupInvitation(groupId, invitedGroupSync?.profile, invitedGroupSync?.inviter, !isInitialSync)
             }
+        }
 
+        // Handle joined groups
+        if (null != syncResponse.groups.join && !syncResponse.groups.join.isEmpty()) {
+            for (groupId in syncResponse.groups.join.keys) {
+                dataHandler.groupsManager.onJoinGroup(groupId, !isInitialSync)
+            }
+        }
+        // Handle left groups
+        if (null != syncResponse.groups.leave && !syncResponse.groups.leave.isEmpty()) {
             // Handle joined groups
-            if (null != syncResponse.groups.join && !syncResponse.groups.join.isEmpty()) {
-                for (groupId in syncResponse.groups.join.keys) {
-                    dataHandler.groupsManager.onJoinGroup(groupId, !isInitialSync)
-                }
-            }
-            // Handle left groups
-            if (null != syncResponse.groups.leave && !syncResponse.groups.leave.isEmpty()) {
-                // Handle joined groups
-                for (groupId in syncResponse.groups.leave.keys) {
-                    dataHandler.groupsManager.onLeaveGroup(groupId, !isInitialSync)
-                }
+            for (groupId in syncResponse.groups.leave.keys) {
+                dataHandler.groupsManager.onLeaveGroup(groupId, !isInitialSync)
             }
         }
+    }
 
-        // Handle presence of other users
-        if (syncResponse.presence?.events != null) {
-            for (presenceEvent in syncResponse.presence.events) {
-                handlePresenceEvent(presenceEvent)
-            }
-        }
-        dataHandler.crypto?.onSyncCompleted(syncResponse, fromToken, isCatchingUp)
-        if (!isEmptyResponse) {
-            store.eventStreamToken = syncResponse.nextBatch
-            store.commit()
+    // Handle presence of other users
+    if (syncResponse.presence?.events != null)
+    {
+        for (presenceEvent in syncResponse.presence.events) {
+            handlePresenceEvent(presenceEvent)
         }
+    }
+    dataHandler.crypto?.onSyncCompleted(syncResponse, fromToken, isCatchingUp)
+    if (!isEmptyResponse)
+    {
+        store.eventStreamToken = syncResponse.nextBatch
+        store.commit()
+    }
 
-        if (isInitialSync) {
-            if (!isCatchingUp) {
-                dataHandler.startCrypto(true)
-            } else {
-                // the events thread sends a dummy initial sync event
-                // when the application is restarted.
-                isStartingCryptoWithInitialSync = !isEmptyResponse
-            }
-
-            dataHandler.onInitialSyncComplete(syncResponse?.nextBatch)
+    if (isInitialSync)
+    {
+        if (!isCatchingUp) {
+            dataHandler.startCrypto(true)
         } else {
-
-            if (!isCatchingUp) {
-                dataHandler.startCrypto(isStartingCryptoWithInitialSync)
-            }
-
-            dataHandler.onLiveEventsChunkProcessed(fromToken, syncResponse.nextBatch)
-            dataHandler.callsManager?.checkPendingIncomingCalls()
-
+            // the events thread sends a dummy initial sync event
+            // when the application is restarted.
+            isStartingCryptoWithInitialSync = !isEmptyResponse
         }
+
+        dataHandler.onInitialSyncComplete(syncResponse?.nextBatch)
+    } else
+    {
+
+        if (!isCatchingUp) {
+            dataHandler.startCrypto(isStartingCryptoWithInitialSync)
+        }
+
+        dataHandler.onLiveEventsChunkProcessed(fromToken, syncResponse.nextBatch)
+        dataHandler.callsManager?.checkPendingIncomingCalls()
+
+    }
+    */
     }
 
     private fun manageAccountData(accountData: Map<String, Any>, isInitialSync: Boolean) {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/events/sync/data/RoomSyncState.kt

@@ -1,21 +1,7 @@
-/*
- * Copyright 2016 OpenMarket Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 package im.vector.matrix.android.internal.events.sync.data
 
 
+import com.squareup.moshi.Json
 import com.squareup.moshi.JsonClass
 import im.vector.matrix.android.api.events.Event
 
@@ -26,4 +12,5 @@ data class RoomSyncState(
         /**
          * List of state events (array of Event). The resulting state corresponds to the *start* of the timeline.
          */
-        val events: List<Event>? = null)
+        @Json(name = "events") val events: List<Event> = emptyList()
+)

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/events/sync/data/RoomSyncTimeline.kt

@@ -11,7 +11,7 @@ data class RoomSyncTimeline(
         /**
          * List of events (array of Event).
          */
-        val events: List<Event>? = null,
+        val events: List<Event> = emptyList(),
 
         /**
          * Boolean which tells whether there are more events on the server